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China Petroleum Machinery
1001-4578
1994 Issue 11
bu han jin shu de luo wen zhi
..............page:60
you guan zhu xuan zhuan qi
..............page:59
shi lun chou you ji ying ju bei de ji ben xing neng
kong zhao rui
..............page:44
chou you gan wo liu jian ce ji dwk xing jian ce tan tou jia
fang hua ; zhang jia min
..............page:28
chou you gan fang tuo qi de he li she zhi
wang dian ke
..............page:23
cai liao su xing dui ti gao gang si sheng po duan la li de zuo yong
zhu wei dou ; hu jian shi
..............page:14
ye tan luo gan ma da zhuan zi xi dao de she ji
yu lian jiang ; chen guo liang
..............page:4